Home / 62,774.44-86,631.78-38,913.64

Finding the Fourth Proportional to 62,774.44, 86,631.78 and 38,913.64

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Solution

The fourth proportional to 62,774.44, 86,631.78 and 38,913.64 is: 53,702.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,774.44 : 86,631.78 = 38,913.64 : x
  2. Step 2: Convert to fraction form
    62,774.44/86,631.78 = 38,913.64/x
  3. Step 3: Cross multiply
    62,774.44x = 86,631.78 × 38,913.64
  4. Step 4: Simplify right side
    62,774.44x = 3,371,157,899.48
  5. Step 5: Solve for x
    x = 3,371,157,899.48/62,774.44
  6. Step 6: Final answer
    x = 53,702.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.